LCM Modes in VxRail:

  1. Legacy LCM (ESXCLI) Mode:
    • Utilizes ESXCLI for managing and maintaining the continuously validated state of VxRail clusters.
    • Primarily suited for earlier VxRail versions or scenarios where ESXCLI-based workflows are required.
  2. vLCM Mode (Recommended):
    • Employs VMware vSphere Lifecycle Manager (vLCM) API for LCM.
    • Provides a modern, integrated approach to managing lifecycle tasks.
    • Ensures compliance with VMware’s validated configurations and simplifies updates.

Enhancement in Version 8.0.300:

Starting with VxRail version 8.0.300, users can select their preferred LCM mode (Legacy LCM or vLCM) during first setup.

Eliminates the need for performing a mode conversion from Legacy LCM to vLCM as a Day-2 activity. This change makes the setup process more flexible. It also streamlines the setup process.

Note: If vLCM mode is enabled, you cannot revert to Legacy LCM (ESXCLI) Mode. Starting with VxRail 8.0.300, the default VxRail LCM mode during deployment is now set to vLCM mode:

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